amnesiac

noun

"amnesiac" is a 8-letter English headword indexed on PlainSpell.

The verdict

“amnesiac” is uncommon English (frequency #64,177 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#64,177
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Person who suffers from loss of memory (amnesia).

Corpus desk

Index EN-amnesiac · amnesiac · English

amnesiac · rank #64,177 · 0 variants · 0 confusables

  • FREQ-RARE #64,177
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH ambiguously

Nearest frequency peer: ambiguously (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “amnesiac”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “amnesiac” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for amnesiac
PropertyValue
Headwordamnesiac
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#64,177
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “amnesiac” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).amnesiacfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “ambiguously” (#64,176), “Andronicus” (#64,178), “Altai” (#64,175). Among 3,931 “A” headwords, “amnesiac” is #64,177. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

amnesiac is uncommon English at frequency #64,177 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Person who suffers from loss of memory (amnesia).".

Zero misspellings are on record for amnesiac in our index, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From amnesia + -ac. The correct English form is amnesiac, spelled A-M-N-E-S-I-A-C.

Definition

  1. 1
    Person who suffers from loss of memory (amnesia).

Etymology

From amnesia + -ac.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "amnesiac"?
"amnesiac" is spelled A-M-N-E-S-I-A-C.
What does "amnesiac" mean?
As a noun, "amnesiac" means: Person who suffers from loss of memory (amnesia).
What is the origin of the word "amnesiac"?
From amnesia + -ac. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "amnesiac", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list